Apex Legends™

Premium currency

You do not pay in euros, you pay in gems, so you lose track of the real cost.

Evidence: Wikipedia (en): «The game is free-to-play and monetized through microtransactions and loot boxes, which allow the player to spend both real money and in-game currency on cosmetic items, such as outfits for the Legends»

Expiring battle pass

You buy a pass and have weeks to use it. Play too little and you lose what you paid for.

Evidence: Wikipedia (es): «Otros cambios y adquisiciones nuevas son: ahora el pase de batalla se suben los niveles consiguiendo estrellas, implementación de los Clubs (Un sistema donde los jugadores pueden hacer un club con otr» · Wikipedia (en): «Associated with seasons are time‑limited battle passes that reward players with new cosmetic items, provided that they complete in‑game challenges during the season.»